SSS 1: CLASSIFICATION OF LIVING THINGS (II)
THE KINGDOM: PLANTAE The plant kingdom consists of three main divisions. They are: 1 . Thallophyta 2. Bryophyta 3. Tracheophyta Thallophyta This group is further subdivided into three parts: (a) Rhodophyta (Red algae) (b) Chlorophyta (Green algae) (c) Phaecophyta (Brown algae) Characteristics of Thallophyta 1. They are simple microscopic plants 2. Some are unicellular organisms e.g. Chlamydomonas while others are multicellular organisms e.g. spirogyra 3. They have a thread-like (filamentous) or flat (thallus) body that do not have roots, stems or leaves. 4. They have a cellulose cell wall 5. They can synthesize their own food 6. They have no specialized reproductive organs for reproduction Examples: Chlamydomonas (a free-living algae), Spirogyra (filamentous algae), Vo...